const sortByHot = (sign)=>{		//1升序 -1降序
	if(sign == 1){
		return function(a,b){
			return a.hot - b.hot;
		};
	}
	else if(sign == -1){
		return function(a,b){
			return b.hot - a.hot;
		};
	}
}

export default{
	sortByHot,
}